1 /*****************************************************************************
2 * vlc_picture_fifo.h: picture fifo definitions
3 *****************************************************************************
4 * Copyright (C) 2009 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #ifndef VLC_PICTURE_FIFO_H
25 #define VLC_PICTURE_FIFO_H 1
29 * This file defines picture fifo structures and functions in vlc
32 #include <vlc_picture.h>
37 * It is thread safe (push/pop).
39 typedef struct picture_fifo_t picture_fifo_t;
42 * It creates an empty picture_fifo_t.
44 VLC_EXPORT( picture_fifo_t *, picture_fifo_New, ( void ) LIBVLC_USED );
47 * It destroys a fifo created by picture_fifo_New.
49 * All pictures inside the fifo will be released by picture_Release.
51 VLC_EXPORT( void, picture_fifo_Delete, ( picture_fifo_t * ) );
54 * It retreives a picture_t from the fifo.
56 * If the fifo is empty, it return NULL without waiting.
58 VLC_EXPORT( picture_t *, picture_fifo_Pop, ( picture_fifo_t * ) LIBVLC_USED );
61 * It returns the first picture_t pointer from the fifo but does not
62 * remove it. The picture returned has been hold for you so you
63 * must call picture_Release on it.
65 * If the fifo is empty, it return NULL without waiting.
67 VLC_EXPORT( picture_t *, picture_fifo_Peek, ( picture_fifo_t * ) LIBVLC_USED );
70 * It saves a picture_t into the fifo.
72 VLC_EXPORT( void, picture_fifo_Push, ( picture_fifo_t *, picture_t * ) );
75 * It release all picture inside the fifo that have a lower or equal date
76 * if flush_before or higher or equal to if not flush_before than the given one.
78 * All pictures inside the fifo will be released by picture_Release.
80 VLC_EXPORT( void, picture_fifo_Flush, ( picture_fifo_t *, mtime_t date, bool flush_before ) );
83 * It applies a delta on all the picture timestamp.
85 VLC_EXPORT( void, picture_fifo_OffsetDate, ( picture_fifo_t *, mtime_t delta ) );
88 #endif /* VLC_PICTURE_FIFO_H */